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Question: Is this recurrence equation too complicated for Maple ?

Question:Is this recurrence equation too complicated for Maple ?

RLessard 90 Maple 2018
rsolve recurrence
January 27 2020
2

 

Here's the recurrence equation I'm trying to solve and the weird answer that Maple 2018 gives me on Windows 10.

Out of curiosity, I started my old computer with  Windows 2000 and Maple V release V (1997 version).
I typed the same lines as before. I got the answer I was looking for immediately.
Answer which I easily improved.
What's happening ?     What am I doing wrong ?

I am often excited by the the latest versions of Maple but recently I have been rather surprised by the things it cannot do.
When that happens, I remember the story of the guy who wants to sell a great watch to another guy.
"This watch is full of new gadgets:
 gps, heart rate, body temperature, outside temperature, micro camera, voice recorder, email, internet ...
 
Only one problem . It doesn't tell time . "
 
Best regards .
 
Réjean
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